APA

Mena Brito C., Petróleos Mexicanos P., World Petroleum Congress (13th. : 1991 : Buenos Aires) & Petróleos Mexicanos P.Transpemex, a model of supply and distribution of petroleum products in Mexico. : .

Chicago

Mena Brito Carlos, Petróleos Mexicanos Pemex, World Petroleum Congress (13th. : 1991 : Buenos Aires) and Petróleos Mexicanos Pemex.Transpemex, a model of supply and distribution of petroleum products in Mexico. : .

Harvard

Mena Brito C., Petróleos Mexicanos P., World Petroleum Congress (13th. : 1991 : Buenos Aires) and Petróleos Mexicanos P.Transpemex, a model of supply and distribution of petroleum products in Mexico. : .

MLA

Mena Brito Carlos, Petróleos Mexicanos Pemex, World Petroleum Congress (13th. : 1991 : Buenos Aires) and Petróleos Mexicanos Pemex.: . .